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CVE-2018-6485

Status Candidate

Overview

An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.

Related Files

Ubuntu Security Notice USN-4416-1
Posted Jul 6, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4416-1 - Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. It was discovered that the GNU C Library incorrectly handled certain SSE2-optimized memmove operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-12133, CVE-2017-18269, CVE-2018-11236, CVE-2018-11237, CVE-2018-19591, CVE-2018-6485, CVE-2019-19126, CVE-2019-9169, CVE-2020-10029, CVE-2020-1751, CVE-2020-1752
MD5 | 975e041e3d37f449a833dd5fe6546f60
Ubuntu Security Notice USN-4218-1
Posted Dec 10, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4218-1 - Jakub Wilk discovered that GNU C incorrectly handled certain memory alignments. An attacker could possibly use this issue to execute arbitrary code or cause a crash.

tags | advisory, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-6485
MD5 | 4df9b8e164b4384d69d7db1fb19db978
Red Hat Security Advisory 2018-3092-01
Posted Oct 31, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-3092-01 - The glibc packages provide the standard C libraries, POSIX thread libraries, standard math libraries, and the name service cache daemon used by multiple programs on the system. Without these libraries, the Linux system cannot function correctly. Issues addressed include a buffer overflow vulnerability.

tags | advisory, overflow
systems | linux, redhat, osx
advisories | CVE-2017-16997, CVE-2018-11236, CVE-2018-11237, CVE-2018-6485
MD5 | 861efb4c657d18858252abdea48e8bce
Gentoo Linux Security Advisory 201804-02
Posted Apr 3, 2017
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201804-2 - Multiple vulnerabilities have been found in glibc, the worst of which could allow remote attackers to execute arbitrary code. Versions less than 2.25-r11 are affected.

tags | advisory, remote, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2017-14062, CVE-2017-15670, CVE-2017-15671, CVE-2017-15804, CVE-2017-16997, CVE-2018-1000001, CVE-2018-6485, CVE-2018-6551
MD5 | 481acc65ed3ebadae7cda90c8160770f
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